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Answer:
(5,-3) is a solution of -x-y=-2
Step-by-step explanation:
You just plug in the numbers in the equation
x=5 y=-3
-5(5)+2(-3)=-25-6 which doesn't equal -21
-5-(-3)=-5+3=-2
Answer:
Miley can walk a distance of
miles in four hours.
Step-by-step explanation:
Given that:
Distance walked by Miley in
hours =
miles
We will find unit rate in term of hours.

Multiplying both sides by 3/5

Distance walked in four hours = 
Distance walked in 4 hours = 
Hence,
Miley can walk a distance of
miles in four hours.
Answer:
The answer is -3.
Step-by-step explanation:
3x²-7x+1
=3(1)²-7(1)+1
=3-7+1
=-4+1
=-3
The step by step multiplication is performed and shown below: